offhand

The word "offhand" describes something said or done in a casual, unprepared way. It often suggests that the person is speaking immediately, from memory, or without stopping to think very carefully first. In many everyday situations, it is used for remarks, answers, estimates, or opinions that are given on the spot.

You might make an offhand remark in conversation: a quick comment that was not planned and was said in passing. You might also say, "I don't know offhand," which means you do not know at that moment without checking. In this sense, the word often points to a lack of preparation rather than a lack of knowledge. A person may know the answer, but not have it ready right away.

The word can also carry a slight negative feeling. An offhand tone or manner may sound careless, cool, or dismissive, especially if the subject is important. If someone rejects an idea offhand, they seem to brush it aside too quickly, without serious consideration.

So the word usually lives in a space between "casual" and "not fully considered." Sometimes that feels neutral, as in a quick answer or an unplanned comment. Sometimes it feels critical, as in a response that seems too casual for the situation. The exact meaning depends on the tone and context, but the main idea is the same: something said or done quickly, casually, and without preparation.